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| Title | Determination of inorganic monomeric Aluminium with the 60 s Pyrocatechol violet technique | | Author | Kurniatun Hairiah, Meine van Noordwijk and I Stulen | | Year | 1991 | | Institution | International Centre for Research in Agroforestry, SEA Regional Research Programme and Instituut Voor Bodemvruchtbaarheid | | City | Haren, Netherland | | Number of Pages | 244 | | Call Number | RP0006-04 |
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| Abstract: |
| A method for measuring the concentration of inorganic, monomeric al in fluid samples was tested. The technique was found suitable as al-organic acid complexes (malate) and polymeric Al (as calculated on the basis of sample pH and total Al concentration) did not interfere. A much simpler calibration procedure than in the original description by Kerven et al. (1989) was found satisfactory. Applicatio of the technique to samples from a nutrient solution experiment show the importance of a tight pH control in such experiments. |
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